The Delta IV oil field is an

oil field A petroleum reservoir or oil and gas reservoir is a subsurface accumulation of hydrocarbons contained in porous or fractured rock formations. Such reservoirs form when kerogen (ancient plant matter) is created in surrounding rock by the prese ...

located on the continental shelf of the

Black Sea The Black Sea is a marginal sea, marginal Mediterranean sea (oceanography), mediterranean sea lying between Europe and Asia, east of the Balkans, south of the East European Plain, west of the Caucasus, and north of Anatolia. It is bound ...

. It was discovered in 2007 and developed by

Petrom OMV Petrom S.A. is a Romanian integrated oil company, controlled by Austria's OMV. It is one of the largest corporations in Romania and the largest oil and gas producer in Southeast Europe. Since 2004 it is a subsidiary of OMV. With 2022 reve ...

. It began production in 2009 and produces oil. The total proven reserves of the Delta IV oil field are around 30 million barrels (4.1 million tonnes), and production is centered on .

References

Black Sea energy Oil fields in Romania {{Romania-geo-stub